G.Skill 12GB (3 x 4GB) PC3-12800 1600MHz DDR3 RAM - 9-9-9-24 - Ripjaws Series
Kingston 4GB (1 x 4GB) PC3-12800 1600MHz DDR3 RAM - Non-ECC - CL11 - Module Single Rank
Kingston 4GB (1 x 4GB) PC3-12800 1600MHz DDR3 Non-ECC RAM, 1.35V
Kingston 4GB (1x4GB) PC3-10600 (1333MHz) DDR3 RAM - CL9 - System Specific/Acer/HP/Lenovo/Dell 1333MHz, 240-Pin DIMM, CL9, Unbuffered, Non-ECC, 1.5V
Kingston 4GB (1 x 4GB) PC3-12800 1600MHz DDR3 RAM - 11-11-11 - ValueRAM Series
QNAP Systems 4GB (1x4GB) 1600MHz DDR3 DIMM RAM
Synology 4GB (1 x 4GB) DDR3 RAM
Synology 4GB DDR3 1600 RAM Upgrade (DS1515+ DS1815+)
Transcend 4GB DDR3L PC3-1600 DDR3 RAM - CL11 - JetMemory Series